#define _BSD_SOURCE
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>

int __mkostemps(char *template, int len, int flags)
{
    size_t l = strlen(template);
    if (l<6 || len>l-6 || memcmp(template+l-len-6, "XXXXXX", 6)) {
        errno = EINVAL;
        return -1;
    }

    flags -= flags & O_ACCMODE;
    int fd, retries = 100;
    do {
        __randname(template+l-len-6);
        if ((fd = open(template, flags | O_RDWR | O_CREAT | O_EXCL, 0600))>=0)
            return fd;
    } while (--retries && errno == EEXIST);

    memcpy(template+l-len-6, "XXXXXX", 6);
    return -1;
}

weak_alias(__mkostemps, mkostemps);
weak_alias(__mkostemps, mkostemps64);
